Books like The Girls of Slender Means
Muriel Spark
The Girls of Slender Means is 146 pages, about 2 hours 41 minutes at 250 words a minute.
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How long each takes
The Ministry of Fear 4.3 h 
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Animal's People 6.9 h 
Coming Home 18.6 h 
Morvern Callar 4.4 h 
All Through the Night 4.6 h 
Ceremony 4.8 h 
Sketches by Boz 9.7 h 
The English Patient 5.8 h 
Catch-22 8.5 h Bar height shows length. Estimated at 250 words a minute.